<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <title>Bar3D Simplex Noise - ECHARTS-GL</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
    <meta name="apple-mobile-web-app-capable" content="yes"> <!-- Fullscreen Landscape on iOS -->
    <link rel="stylesheet" href="./common.css">
</head>
<body>
<div id="main"></div>
<script src="../node_modules/echarts/dist/echarts.js"></script>
<script src="../dist/echarts-gl.js"></script>
<script src="lib/jquery.min.js"></script>
<script src="lib/simplex.js"></script>
<script src="js/commonUI.js"></script>
<script>
    var chart = echarts.init(document.getElementById('main'));

    var noise = new SimplexNoise(Math.random);

    function generateData() {
        var data = [];
        for (var i = 0; i <= 40; i++) {
            for (var j = 0; j <= 40; j++) {
                for (var k = 0; k <= 40; k++) {
                    var value = noise.noise3D(i / 20, j / 20, k / 20);
                    valMax = Math.max(valMax, value);
                    valMin = Math.min(valMin, value);
                    data.push([i, j, k, value * 2 + 4]);
                }
            }
        }
        return data;
    }

    var valMin = Infinity;
    var valMax = -Infinity;
    var data = generateData();
    console.log(valMin, valMax);

    chart.setOption({
        tooltip: {},
        visualMap: {
            show: false,
            min: 2,
            max: 6,
            inRange: {
                symbolSize: [0.5, 15],
                color: ['#313695', '#4575b4', '#74add1', '#abd9e9', '#e0f3f8', '#ffffbf', '#fee090', '#fdae61', '#f46d43', '#d73027', '#a50026'],
                colorAlpha: [0.2, 1]
            }
        },
        xAxis3D: {
            type: 'value'
        },
        yAxis3D: {
            type: 'value'
        },
        zAxis3D: {
            type: 'value'
        },
        grid3D: {
            boxWidth: 150,
            boxDepth: 150,
            boxHeight: 150,
            axisLine: {
                lineStyle: {color: '#fff'}
            },
            axisPointer: {
                lineStyle: {color: '#fff'}
            },
            viewControl: {
                // autoRotate: true
            }
        },
        series: [{
            type: 'scatter3D',
            data: data
        }]
    });

    window.onresize = chart.resize;
</script>
</body>
</html>
